10 Best master lock hidden shackles of 2026

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1

Master Lock

Master Lock 6271KA 10 Pack - 2-7/8in. ProSeries Reinforced Hidden Shackle Rekeyable Pin Tumbler Keyed Alike Padlock, Chrome
9.8

Exceptional

Our Rating
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2

Master Lock
Master Lock Pro Series - (4) Hidden Shackle Padlocks Keyed Alike 6271KA-4

12% Off
Main highlights

Reinforced Security Features
Features a reinforced zinc die-cast body and a fully shielded, hardened boron alloy shackle for maximum cut and pry resistance.

Versatile Use Cases
Perfect for securing transportation, vending machines, and various industrial or commercial applications.

Customer Praised Durability
Customers consistently praise its robust construction and high security, highlighting its effectiveness in preventing unauthorized access.
9.7

Exceptional

Our Rating
3

Master Lock
Master Lock Pro Series Hidden Shackle Padlocks, Keyed Alike 6271NKA-2 w/BumpStop Technology
Main highlights

Keyed Alike Locks with Advanced Security
This listing includes 2 keyed alike locks with 4 keys. Features BumpStop Advanced Cylinder Technology, 6-pin cylinder, and hardened boron alloy shackle for maximum security.

Ideal for Commercial and Industrial Use
Designed for transportation, vending, gates, and industrial applications. Suitable for securing trailers, cargo trailers, and vans.

Highly Durable and Cut-Resistant
Customers consistently praise the lock's durability and resistance to cutting and prying, making it a reliable choice for high-security needs.
Key specs
- size:2 Pack
- material:Zinc
- lock type:Key Lock
- usage:Security
- style:Industrial
9.4

Excellent

Our Rating

9.9
Security

9.3
Durability

8.7
Lock Feature
4

Master Lock

Master Lock Chrome Puck Lock, Heavy Duty Hidden Shackle Lock and Hasp, Solid Steel Lock for Trucks, Trailers, or Vans, M736XKAD
9.2

Excellent

Our Rating

9.7
lasts a long time

9.7
Waterproof

9.5
Easy installation
5

Master Lock
Master Lock Pro Series Hidden Shackle Padlocks, Keyed Alike 6271NKA-1 w/ BumpStop Technology
Main highlights

Strong and Durable Body
The hardened diecast zinc body is strong, durable, and resists corrosion. Designed for Commercial/Industrial applications with high-security 6-pin cylinder and BumpStop technology.

Ideal for High-Security Needs
Perfect for transportation, vending, gates, and industrial uses. The fully shielded hardened boron alloy shackle offers tough resistance to cutting and prying.

Highly Durable and Reliable
Customers consistently praise the lock's durability and reliability, noting its resistance to tampering and ability to withstand harsh conditions.
Key specs
- size:1 Pack
- material:Zinc
- lock type:Key Lock
- usage:Security
- style:Industrial
9.0

Excellent

Our Rating

9.9
Security

9.3
Durability

8.7
Lock Feature
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6

Master Lock
Master Lock 6271KA 2 Pack - 2-7/8in. ProSeries Reinforced Hidden Shackle Rekeyable Pin Tumbler Keyed Alike Padlock, Chrome
Main highlights

Key Features and Benefits
High-security ProSeries Padlocks with concealed shackle and dual ball bearing locking mechanism ensure top-notch cut and pry resistance.

Ideal Use Cases
Perfect for commercial/industrial applications requiring robust security, like gates, sheds, and storage units.

Customer Praise
Most reviews highlight the lock`s exceptional durability and resistance to picking, cutting, and physical attacks as its standout feature.
8.9

Very Good

Our Rating

9.9
Easy installation

9.3
Durability

9.1
lasts a long time
7

Master Lock

Master Lock Chrome Hasp Lock, Heavy Duty Hidden Shackle Lock and Hasp, Solid Steel Lock for Trucks, Trailers, or Vans, 9 Inches Wide, 770
8.8

Very Good

Our Rating
8

Master Lock

Master Lock - Master Hidden Shackle Lock - N.6271N Bump Proof Technology
8.7

Very Good

Our Rating
9

Master Lock
Master Lock - Hasp/Hidden Shackle Keyed Alike Padlocks 770-6271NKA-2 w/BumpStop Technology
Main highlights

High Security and Durability
This lock and hasp combo features a high-security 6-pin cylinder, hardened steel shackle, and corrosion-resistant zinc body for maximum protection.

Ideal for Vehicles and Storage
Perfect for securing vans, trucks, gates, vending machines, and sea train containers, providing reliable protection for various storage needs.

Easy Installation and Strong Security
Customers appreciate the easy installation and robust security, despite minor issues with key operation and alignment during locking.
Key specs
- size:6 x 10 x 4 inches
- material:Steel, Zinc
- lock type:Key Lock
- usage:Security
- style:Modern
8.6

Very Good

Our Rating

9.7
Security

9.3
Easy installation

8.2
lasts a long time
10

Master Lock
Master Lock Pro Series Hidden Shackle Padlocks, Keyed Alike 6271NKA-3 w/BumpStop Technology
Main highlights

Strong Durable Corrosion Resistant Body
The hardened diecast zinc body is strong, durable, and resists corrosion, making it suitable for heavy-duty commercial and industrial applications.

Ideal for Industrial and Transportation Use
Designed for commercial and industrial applications, these locks are perfect for securing transportation, vending machines, gates, and various industrial uses.

Highly Secure and Pick Resistant
Customers frequently praise the high-security 6-pin cylinder for its maximum pick resistance, making these locks extremely reliable for securing valuable items.
8.3

Good

Our Rating

9.3
Durability

8.7
lasts a long time

8.7
Lock Feature

10 Best master lock hidden shackles of 2026

1

Master Lock 6271KA 10 Pack - 2-7/8in. ProSeries Reinforced Hidden Shackle Rekeyable Pin Tumbler Keyed Alike Padlock, Chrome

How do we rank?

How do we rank?

Analyzing top stores

2

Master Lock Pro Series - (4) Hidden Shackle Padlocks Keyed Alike 6271KA-4

3

Master Lock Pro Series Hidden Shackle Padlocks, Keyed Alike 6271NKA-2 w/BumpStop Technology

9.9

9.3

8.7

4

Master Lock Chrome Puck Lock, Heavy Duty Hidden Shackle Lock and Hasp, Solid Steel Lock for Trucks, Trailers, or Vans, M736XKAD

9.7

9.7

9.5

5

Master Lock Pro Series Hidden Shackle Padlocks, Keyed Alike 6271NKA-1 w/ BumpStop Technology

9.9

9.3

8.7

6

Master Lock 6271KA 2 Pack - 2-7/8in. ProSeries Reinforced Hidden Shackle Rekeyable Pin Tumbler Keyed Alike Padlock, Chrome

9.9

9.3

9.1

7

Master Lock Chrome Hasp Lock, Heavy Duty Hidden Shackle Lock and Hasp, Solid Steel Lock for Trucks, Trailers, or Vans, 9 Inches Wide, 770

8

Master Lock - Master Hidden Shackle Lock - N.6271N Bump Proof Technology

9

Master Lock - Hasp/Hidden Shackle Keyed Alike Padlocks 770-6271NKA-2 w/BumpStop Technology

9.7

9.3

8.2

10

Master Lock Pro Series Hidden Shackle Padlocks, Keyed Alike 6271NKA-3 w/BumpStop Technology

9.3

8.7

8.7

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